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"Information about RAG (Retrieval-Augmented Generation) or rag-related topics" matching MCP servers:

  • ShieldZ Crypto Payments by ShieldZCash

    ShieldZ Crypto Paymentsofficial

    ShieldZCash
    A
    license
    A
    quality
    B
    maintenance
    Keyless crypto payments for AI agents. One MCP call turns any wallet address into a non-custodial crypto payment link or tip jar, no API key and no account, with funds settling straight to your wallet at a 0% platform fee (USDC/USDT, BTC, LTC, DASH, DOGE, ZCASH).
    6
    3
    69
    MIT

  • pacs008-mcp

    sebastienrousseau
    A
    license
    A
    quality
    A
    maintenance
    An MCP server that exposes the pacs008 ISO 20022 FI-to-FI Customer Credit Transfer library as tools for AI agents and assistants, enabling generation, validation, and parsing of pacs.008 credit transfer XML messages.
    16
    1
    Apache 2.0

  • @powforge/captcha-mcp

    zekebuilds-lab
    A
    license
    A
    quality
    D
    maintenance
    MCP server that gates API calls to AI agents using proof-of-work (free) or Lightning payment (3 sats), providing challenge, verify, and status tools for per-call authentication without accounts.
    3
    44
    1
    MIT
  • EntRoute MCP by entroute

    EntRoute MCPofficial

    entroute
    A
    license
    A
    quality
    F
    maintenance
    MCP Server for AI agents to discover and call pay-per-request APIs via EntRoute. Give Claude, Cursor, Windsurf, or any MCP-compatible agent access to 350+ verified x402 API endpoints across 110+ capabilities — DeFi prices, web search, prediction markets, news, and more.
    3
    13
    1
    MIT

  • mcp-proofjson

    proofjson
    A
    license
    A
    quality
    A
    maintenance
    A local MCP server that integrates ProofJSON to assess invoices before payment, providing allow/review/block decisions with confidence scores and verification capabilities.
    3
    MIT

  • invovate-mcp-server

    LightSpeedPlusOne
    A
    license
    A
    quality
    B
    maintenance
    Create invoices from any MCP client via the Invovate API — compute totals and generate PDF, JSON, or UBL invoices in 11 languages. Exposes four tools: calculate_invoice_totals (no API key needed), generate_invoice_pdf, generate_invoice_ubl, and get_invoice_capabilities.
    4
    54
    1
    MIT

  • pulsefeed-x402-mcp

    Nikolife2016
    A
    license
    A
    quality
    A
    maintenance
    Before an AI agent pays an x402 endpoint, checks whether it's safe to pay: liveness, scam/anomaly scan (payTo hijack, bait-and-switch, honeypot), and on-chain receiver verification. ~70% of x402 endpoints are dead or scams.
    3
    MIT

  • Pactus

    deniskarlinsky
    A
    license
    A
    quality
    C
    maintenance
    Pactus is an MCP server for parsing and validating ISO 20022 payment messages directly from chat. It exposes nine tools that let AI assistants inspect or validate pacs.008, pacs.002, pain.001, and camt.053 messages — the message types at the centre of the CBPR+ migration — without leaving the conversation.
    9
    2
    MIT

  • Revenue MCP

    warfare-hub
    A
    license
    A
    quality
    D
    maintenance
    Enables querying MRR, churn, and revenue from Stripe, Gumroad, and Lemon Squeezy directly inside Claude, allowing natural language questions about business metrics.
    5
    40
    MIT

  • mcp-nfe-br

    cmendezs
    A
    license
    A
    quality
    A
    maintenance
    Model Context Protocol (MCP) server for Brazilian Electronic Invoicing (NF-e / NFC-e, modelo 55/65, schema 4.00). Provides CPF/CNPJ validation tools, with NF-e/NFC-e generation and SEFAZ integration planned.
    22
    Apache 2.0

  • governor

    rober8b
    F
    license
    A
    quality
    C
    maintenance
    Governor is an MCP server that acts as a safety belt for AI agent payments, providing a three-layer deterministic evaluation (rules, behavior anomaly, and intention coherence) to approve, escalate, or block payments before execution, and integrates directly with Claude Code.
    3